69451 20191126134631.0 doi 10.1038/s41467-018-03012-6 sideral 104531 ART-2018-104531 eng Liu, L. Evolution and stabilization of subnanometric metal species in confined space by in situ TEM 2018 Access copy available to the general public Unrestricted Understanding the behavior and dynamic structural transformation of subnanometric metal species under reaction conditions will be helpful for understanding catalytic phenomena and for developing more efficient and stable catalysts based on single atoms and clusters. In this work, the evolution and stabilization of subnanometric Pt species confined in MCM-22 zeolite has been studied by in situ transmission electron microscopy (TEM). By correlating the results from in situ TEM studies and the results obtained in a continuous fix-bed reactor, it has been possible to delimitate the factors that control the dynamic agglomeration and redispersion behavior of metal species under reaction conditions. The dynamic reversible transformation between atomically dispersed Pt species and clusters/nanoparticles during CO oxidation at different temperatures has been elucidated. It has also been confirmed that subnanometric Pt clusters can be stabilized in MCM-22 crystallites during NO reduction with CO and H2. info:eu-repo/grantAgreement/ES/MINECO/SEV-2016-0683 info:eu-repo/grantAgreement/ES/MINECO/MAT2016-79776-P This project has received funding from the European Union’s Horizon 2020 research and innovation program under grant agreement No H2020 671093-SynCatMatch info:eu-repo/grantAgreement/EC/H2020/671093/EU/MATching zeolite SYNthesis with CATalytic activity/SynCatMatch info:eu-repo/semantics/openAccess by-nc-sa http://creativecommons.org/licenses/by-nc-sa/3.0/es/ 11.878 2018 MULTIDISCIPLINARY SCIENCES 5 / 69 = 0.072 2018 Q1 T1 5.992 2018 Biochemistry, Genetics and Molecular Biology (miscellaneous) 2018 Q1 Physics and Astronomy (miscellaneous) 2018 Q1 Chemistry (miscellaneous) 2018 Q1 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Zakharov, D.N. (orcid)0000-0002-2071-9093 Arenal, R. Universidad de Zaragoza Concepcion, P. Stach, E.A. Corma, A. 2003 395 Universidad de Zaragoza Dpto. Física Materia Condensa. Área Física Materia Condensada 9, 1 (2018), [10 pp] NATURE COMMUNICATIONS Nature Communications 2041-1723 3798653 http://zaguan.unizar.es/record/69451/files/texto_completo.pdf Versión publicada 56588 http://zaguan.unizar.es/record/69451/files/texto_completo.jpg?subformat=icon icon Versión publicada oai:zaguan.unizar.es:69451 articulos driver 2019-11-26-13:40:59 ARTICLE